Process camera film holder



Aug. 30, 1966 s. POLLAND 3,259,266

PROCESS CAMERA FILM HOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet1 lllli i Aug. 30, 1966 s. POLLAND 3,269,266

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Aug. 30, 1966 s. POLLAND 3,269,266

PROCESS CAMERA FILM HOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet5 Aug. 30, 1966 s. POLLAND PROCESS CAMERA FILM HOLDER Original FiledJan. 19, 1962 20 Sheets-Sheet 4 mil ll lllllll llllllll Ill I ||2QII|.ll|

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PROCESS CAMERA FILM HOLDER Original Filed Jan. 19, 1962.

20 Sheets-Sheet 8 Aug. 30, 1966 s. POLLAND- 3,269,266

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PROCESS CAMERA FILM HOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet12 7 F1 25 g l fgmz Aug. 30, mm s. POLLAND PROCESS CAMERA FILM HOLDEROriginal Filed Jan. 19, 1962 20 Sheets-Sheet 15 Aug. 30, 1966 s. POLLANDPROCESS CAMERA FILM HOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet14.

Aug. 30, 1966 s. POLLAND PROCESS cmmm FILM HOLDER Original Filed Jan.19, 1962 20 Sheets-Sheet 15 Aug. 30, 1966 s. POLLAND PROCESS CAMERA FILMHOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet 16 Aug. 30, 1966 s.POLLAND 3,269,266

PRocEss CAMERA FILM HOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet17 I NVENTOR.

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Aug. 30, 1966 s. POLLAND 3,269,266

PROCESS CAMERA FILM HOLDER Original Filed Jan. 19, 1962 20 Sheets-Sheet18 INVENTOR. jsf j/wgfi 117' TORNEYS.

Aug. 30, 1966 s. POLLAND 3,269,266

PROCESS CAMERA FILM HOLDER Origin'al Filed Jan. 19, 1962 20 Sheets-Sheet19 I Jg 39 265 m qg m I ATTORNEYS.

Aug. 30, 1966 Original Filed Jan. 19, 1962 S. POLLAND PROCESS CAMERAFILM HOLDER 20 Sheets-Sheet 2 0 INVENTOR.

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ATTORNEYS.

1. A FILM HOLDER COMPRISING A GENERALLY RECTANGULAR FRAME HAVING SIDEAND END MEMBERS, A TRANSPARENT FILMSUPPORTING PLATE FIXED IN SAID FRAME,A PRESSURE PLATE FOR HOLDING ONE OR MORE SHEETS OF FILM IN INTIMATECONTACT WITH THE INNER SURFACE OF SAID SUPPORTING PLATE, SAID PRESSUREPLATE COMPRISING A GENERALLY RECTANGULAR PANEL HINGEDLY MOUNTED ALONGONE EDGE ON ONE END MEMBER, THE OPPOSITE FREE EDGE OF SAID PANELTERMINATING SUBSTANTIALLY MIDWAY BETWEEN SAID END MEMBERS, A REMOVABLEBAR EXTENDING BETWEEN SAID SIDE MEMBERS OVERLYING SAID PANEL AND SPACEDFROM SAID FREE EDGE, SPACED COMPRESSION SPRINGS SECURED TO SAID BAR ANDENGAGING SAID PANEL TO RESILIENTLY URGE SAID PANEL TOWARD SAIDSUPPORTING PLATE IN FILM HOLDING POSITION, A SECOND GENERALLYRECTANGULAR PANEL DISPOSED BETWEEN THE FREE EDGE OF SAID FIRST PANEL ANDTHE OTHER END MEMBER, SPRING HINGES CONNECTING SAID FREE EDGE AND THEADJACENT EDGE OF SAID SECOND PANEL TO RESILIENTLY URGE SAID SECOND PANELTOWARD SAID SUPPORTING PLATE IN FILM HOLDING POSITION, DETENT MEANS ONSAID SECOND PANEL ENGAGING SAID OTHER END MEMBER TO RELEASABLY HOLD SAIDSECOND PANEL IN FILM HOLDING POSITION, AN OPERATING HANDLE ON SAIDSECOND PANEL, SPACED UPSTANDING BRACKETS ON SAID SECOND PANEL ADJACENTTHE EDGE CONNECTED TO SAID FIRST PANEL AND ROLLERS ON SAID BRACKETS,WHEREBY SAID SECOND PANEL MAY BE MOVED AGAINST THE ACTION OF SAID SPRINGHINGES AWAY FROM SAID SUPPORTING PLATE TO PERMIT THE INSERTION ORREMOVAL OF THE SHEET OF FILM BETWEEN SAID SECOND PANEL AND SAIDSUPPORTING PLATE, FURTHER MOVEMENT OF SAID SECOND PANEL SERVING TOENGAGE SAID ROLLERS WITH SAID BAR TO CAM SAID FIRST PANEL AWAY FROM SAIDSUPPORTING PLATE AGAINST THE ACTION OF SAID COMPRESSION SPRINGS TOPERMIT THE INSERTION OR REMOVAL OF A SHEET OF FILM BETWEEN SAID FIRSTPANEL AND SAID SUPPORTING PLATE.